Home / 424,168,560.64-636,246,438.49-190,834,499.73

Finding the Fourth Proportional to 424,168,560.64, 636,246,438.49 and 190,834,499.73

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Solution

The fourth proportional to 424,168,560.64, 636,246,438.49 and 190,834,499.73 is: 286,248,869.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,168,560.64 : 636,246,438.49 = 190,834,499.73 : x
  2. Step 2: Convert to fraction form
    424,168,560.64/636,246,438.49 = 190,834,499.73/x
  3. Step 3: Cross multiply
    424,168,560.64x = 636,246,438.49 × 190,834,499.73
  4. Step 4: Simplify right side
    424,168,560.64x = 121,417,770,794,233,360
  5. Step 5: Solve for x
    x = 121,417,770,794,233,360/424,168,560.64
  6. Step 6: Final answer
    x = 286,248,869.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.